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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. typedef long long ll;
  4. int k,n,x[100];
  5. bool ok=true;
  6.  
  7. void init(){
  8. 	cin>>n>>k;
  9. 	for(int i=1;i<=k;i++){
  10. 		x[i]=i;
  11. 	}
  12. }
  13. void result(){
  14. 	for(int i=1;i<=k;i++){
  15. 		cout<<x[i]<<" ";
  16. 	}
  17. 	cout<<endl;
  18. }
  19. void next_combination(){
  20. 	int i=k;
  21. 	while(i>=0&&x[i]==n-k+i){
  22. 		i--;
  23. 	}
  24. if(i>=0){
  25. 	x[i]=x[i]+1;
  26. 	for(int j=i+1;j<=k;j++){
  27. 		x[j]=x[i]+j-i;
  28. 	}
  29. }
  30. else ok=false;}
  31. int main(){
  32. init(); 
  33. while(ok){
  34. 	result();
  35. 	next_combination();
  36. }
  37. return 0;
  38. }
  39.  
Success #stdin #stdout 0.01s 5280KB
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					 https://ideone.com/x61g33
					
					
					
					
					

												

												
						
						

					

					
					
					

						
language:

						
C++ (gcc 8.3)

					

					

						
created:
								
						
6 days ago

					

					

						
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